Notice:
The Filling period for assessment complaints for 2020 payable 2021 assessment year began Monday June 1, 2020 and continues until thirty (30) days after publication of the 2020 assessment changes for each township. The last day to file an assessment complaint for each township in Montgomery County are as listed below. Taxpayers with questions or concerns about 2020 property valuations should contact the Supervisor of Assessments Office at 217-532-9595. Contact information for each Township Assessor's is available by clicking here.
| Township | Last day to file |
| Adubon | January 18, 2021 |
| Bois D'Arc | January 18, 2021 |
| Butler Grove | January 19, 2021 |
| East Fork | January 30, 2021 |
| Fillmore Consolidated | January 19, 2021 |
| Grisham | January 19, 2021 |
| Harvel | January 19, 2021 |
| Hillsboro | January 19, 2021 |
| Irving | January 19, 2021 |
| Nokomis | January 18, 2021 |
| North Litchfield | January 20, 2021 |
| Pitman | January 18, 2021 |
| Raymond | January 19, 2021 |
| Rountree | January 18, 2021 |
| South Litchfield | January 20, 2021 |
| Walshville | January 19, 2021 |
| Witt | January 18, 2021 |
| Zanesville | January 19, 2021 |
Ray Durston
Montgomery County
Chief County Assessing Official